Jawaban sama penjelasannya ya..
Jawaban:
1. 2/9+2/3= 2/9+6/9=8/9
2. 5/7+4/21= 15/21+4/21 = 19/21
3. 2/15+3/6 = 4/30+15/30= 19/30
4. 4/5-1/3= 12/15-5/15= 7/15
5. 11/12-8/9= 33/36-32/36= 1/36
6. 5 1/2-2/4= 11/2-2/4= 22/4-2/4= 20/4=5
7. 3 3/4-4/10= 75/20-8/20= 67/20= 3 7/20
8. 5 1/3-3 1/4= 16/3-13/4= 64/12-39/12= 25/12
= 2 1/12
9. 3 3/5+3/10= 36/10+3/10= 39/10= 3 9/10
10. 1 3/4+5 1/6= 21/12+62/12= 83/12= 6 11/12
Penjelasan dengan langkah-langkah:
maaf kalo salah
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